By Mark J. Kupersmith, A. Berenstein
ISBN-10: 3642776205
ISBN-13: 9783642776205
ISBN-10: 3642776221
ISBN-13: 9783642776229
Neuro-ophthalmological indicators usually come up in problems which modify the intracranial and intraorbital move. due to the wide variety of sensory and cognitive structures fascinated by imaginative and prescient and eye routine, visible disturbances are usually present in the typical vascular issues, corresponding to atherosclerosis, migraine, and aneurysms, yet may also outcome from essentially any, universal or rare,local or systemic vascular ailment. The disorder may be a part of a largersyndrome or the foremost medical abnormality. some of the more moderen thoughts in regards to the prognosis and remedy of neurovascular problems have developed as a result of advances in concepts for neuroimaging resembling MRI; equipment of measuring systemic coagulation and irritation; and superselective catheterization ofabnormal blood vessels and vascular lesions. The neuroophthalmological assessment of scientific symptoms frequently results in actual localization and analysis of the lesion. lots of those scientific abnormalities, corresponding to field of regard defects and ocular misalignments, could be quantified and to evaluate both the ordinary historical past of the disease or the consequences of cures. not anyone clinical distinctiveness can deal with those neurovascular neuro-ophthalmological problems on my own. The complexity of analysis and remedy making plans calls for a multi- disciplinary workforce. This technique, bringing ophthalmologists, neurosurgeons, and neurologists jointly to confer within the administration of those circumstances, has been pioneered by means of the authors' workforce on the ny college clinical Center.
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Extra resources for Neurovascular Neuro-ophthalmology
Example text
There are no direct anastomoses between the central retinal artery and any posterior ciliary artery or the arterial circle of Haller-Zinn, even though the retrobulbar pial vascular network has connections to the arterial circle of Haller-Zinn. Contrary to the results of early studies, there is no separate artery of the optic nerve that arises from the ophthalmic artery and provides significant blood supply to the retrobulbar portion of the optic nerve [37]. The optic nerve, immediately behind the globe, is not dependent on the central retinal artery for a significant blood supply contribution [37].
Cer. ) converge on the anterior end of the basal vein. The superficial sylvian vein (Sup. ) passes around the anterior pole of the temporal lobe to join the venous sinuses coursing in the floor of the middle fossa. Orb. , orbital gyrus; Post. Front. Orb. , posterofrontal orbital vein; Car. , carotid artery; Temp. , temporal sylvian vein. b An anterior view of the posterior and superior aspects of the chiasm and optic tracts with the frontal lobes (Front. Lobe) retracted demonstrates the venous system of the area.
Course above the edge of the tentorium (Tent. ) to the inferior surface of the temporal lobe. Rec. , recurrent artery of Huebner. (From [90]) b A basal and slightly caudal view shows the network of small arteries on the pia of the optic tract supplied by branches from the superior hypophyseal, tuberoinfundibular and posterior communicating arteries. Anastomoses (small arrows to the right) are seen between the right superior hypophyseal artery (large arrow) and a branch (curved arrow) of the tuberoinfundibular artery (white arrow) which arises from the internal carotid artery.